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- W4220927426 abstract "Abstract Simultaneous control over the configuration of multiple stereocenters is accomplished by numerous catalytic methods, providing a reliable basis for the synthesis of stereochemically complex targets in isomerically defined form. In contrast, addressing the configurations of multiple stereogenic axes with diastereodivergent catalyst control is thus far only possible by stepwise approaches. Herein we now describe that all four stereoisomers of atropisomeric two‐axis systems are directly tractable by assembling a central aromatic unit of teraryls through an arene‐forming aldol condensation. By using cinchona alkaloid‐based ion‐pairing catalysts, the four feasible reaction pathways are differentiated from identical substrates under defined basic conditions without preactivation, thus enabling complete stereodivergence with enantioselectivities of up to 99 : 1 e.r." @default.
- W4220927426 created "2022-04-03" @default.
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- W4220927426 date "2022-04-11" @default.
- W4220927426 modified "2023-10-15" @default.
- W4220927426 title "Synthesis of Atropisomeric Two‐Axis Systems by the Catalyst‐Controlled <i>syn</i> ‐ and <i>anti</i> ‐Selective Arene‐Forming Aldol Condensation" @default.
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- W4220927426 doi "https://doi.org/10.1002/ange.202202548" @default.
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